#include <linux/rtnetlink.h>
#include <vlib/vlib.h>
+#include <vlib/physmem.h>
#include <vlib/unix/unix.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/ip/ip4_packet.h>
return 0;
}
-void vl_api_rpc_call_main_thread (void *fp, u8 * data, u32 data_length);
-
-static clib_error_t *
-call_tap_read_ready (clib_file_t * uf)
-{
- /* nothing to do */
- return 0;
-}
-
-static void
-tap_delete_if_cp (u32 * sw_if_index)
-{
- vlib_main_t *vm = vlib_get_main ();
- tap_delete_if (vm, *sw_if_index);
-}
-
-/*
- * Tap clean-up routine:
- * Linux side of tap interface can be deleted i.e. tap is
- * attached to container and if someone will delete this
- * container, will also removes tap interface. While VPP
- * will have other side of tap. This function will RPC
- * main thread to call the tap_delete_if to cleanup tap.
- */
-static clib_error_t *
-call_tap_error_ready (clib_file_t * uf)
-{
- vl_api_rpc_call_main_thread (tap_delete_if_cp, (u8 *) & uf->private_data,
- sizeof (uf->private_data));
- return 0;
-}
-
static int
open_netns_fd (char *netns)
{
void
tap_create_if (vlib_main_t * vm, tap_create_if_args_t * args)
{
+ vlib_physmem_main_t *vpm = &vm->physmem_main;
vnet_main_t *vnm = vnet_get_main ();
virtio_main_t *vim = &virtio_main;
tap_main_t *tm = &tap_main;
size_t hdrsz;
struct vhost_memory *vhost_mem = 0;
virtio_if_t *vif = 0;
- clib_file_t t = { 0 };
clib_error_t *err = 0;
+ unsigned int tap_features;
int fd = -1;
+ char *host_if_name = 0;
if (args->id != ~0)
{
goto error;
}
+ _IOCTL (vif->tap_fd, TUNGETFEATURES, &tap_features);
+ if ((tap_features & IFF_VNET_HDR) == 0)
+ {
+ args->rv = VNET_API_ERROR_SYSCALL_ERROR_2;
+ args->error = clib_error_return (0, "vhost-net backend not available");
+ goto error;
+ }
+
ifr.ifr_flags = IFF_TAP | IFF_NO_PI | IFF_ONE_QUEUE | IFF_VNET_HDR;
_IOCTL (vif->tap_fd, TUNSETIFF, (void *) &ifr);
vif->ifindex = if_nametoindex (ifr.ifr_ifrn.ifrn_name);
if (!args->host_if_name)
- args->host_if_name = (void *) ifr.ifr_ifrn.ifrn_name;
+ host_if_name = ifr.ifr_ifrn.ifrn_name;
+ else
+ host_if_name = (char *) args->host_if_name;
unsigned int offload = 0;
hdrsz = sizeof (struct virtio_net_hdr_v1);
_IOCTL (vif->tap_fd, TUNSETVNETHDRSZ, &hdrsz);
_IOCTL (vif->fd, VHOST_SET_OWNER, 0);
- /* if namespace is specified, all further netlink messages should be excuted
+ /* if namespace is specified, all further netlink messages should be executed
after we change our net namespace */
if (args->host_namespace)
{
goto error;
}
args->error = vnet_netlink_set_link_netns (vif->ifindex, fd,
- (char *) args->host_if_name);
+ host_if_name);
if (args->error)
{
args->rv = VNET_API_ERROR_NETLINK_ERROR;
args->host_namespace);
goto error;
}
- if ((vif->ifindex = if_nametoindex ((char *) args->host_if_name)) == 0)
+ if ((vif->ifindex = if_nametoindex (host_if_name)) == 0)
{
args->rv = VNET_API_ERROR_SYSCALL_ERROR_3;
args->error = clib_error_return_unix (0, "if_nametoindex '%s'",
- args->host_if_name);
+ host_if_name);
goto error;
}
}
else
{
- if (args->host_if_name)
+ if (host_if_name)
{
args->error = vnet_netlink_set_link_name (vif->ifindex,
- (char *)
- args->host_if_name);
+ host_if_name);
if (args->error)
{
args->rv = VNET_API_ERROR_NETLINK_ERROR;
vhost_mem = clib_mem_alloc (i);
clib_memset (vhost_mem, 0, i);
vhost_mem->nregions = 1;
- vhost_mem->regions[0].memory_size = (1ULL << 47) - 4096;
+ vhost_mem->regions[0].memory_size = vpm->max_size;
+ vhost_mem->regions[0].guest_phys_addr = vpm->base_addr;
+ vhost_mem->regions[0].userspace_addr =
+ vhost_mem->regions[0].guest_phys_addr;
_IOCTL (vif->fd, VHOST_SET_MEM_TABLE, vhost_mem);
if ((args->error =
clib_memcpy (vif->mac_addr, args->mac_addr, 6);
- vif->host_if_name = format (0, "%s%c", args->host_if_name, 0);
+ vif->host_if_name = format (0, "%s%c", host_if_name, 0);
vif->net_ns = format (0, "%s%c", args->host_namespace, 0);
vif->host_bridge = format (0, "%s%c", args->host_bridge, 0);
vif->host_mtu_size = args->host_mtu_size;
sw = vnet_get_hw_sw_interface (vnm, vif->hw_if_index);
vif->sw_if_index = sw->sw_if_index;
args->sw_if_index = vif->sw_if_index;
+ args->rv = 0;
hw = vnet_get_hw_interface (vnm, vif->hw_if_index);
hw->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_INT_MODE;
if (args->tap_flags & TAP_FLAG_GSO)
VNET_HW_INTERFACE_FLAG_LINK_UP);
vif->cxq_vring = NULL;
- t.read_function = call_tap_read_ready;
- t.error_function = call_tap_error_ready;
- t.file_descriptor = vif->tap_fd;
- t.private_data = vif->sw_if_index;
- t.description = format (0, "tap sw_if_index %u fd: %u",
- vif->sw_if_index, vif->tap_fd);
- vif->tap_file_index = clib_file_add (&file_main, &t);
-
goto done;
error:
if (hw->flags & VNET_HW_INTERFACE_FLAG_SUPPORTS_GSO)
vnm->interface_main.gso_interface_count--;
- clib_file_del_by_index (&file_main, vif->tap_file_index);
/* bring down the interface */
vnet_hw_interface_set_flags (vnm, vif->hw_if_index, 0);
vnet_sw_interface_set_flags (vnm, vif->sw_if_index, 0);